Burned or puddled joint structure



Patented June 17, 1930 '7 l: T

- UNITED; sT -TE P NT QFICE i BRUCE; Form, or rH LAnELr HIA, PENNSYLVANIA BURNED onrunniinn JOINT STRUCTURE g Application filed February 3,1926. Serial no. 85,621.

I The present invention relates to improve. The term puddlingor burning, as used ments in burned or puddled joint structures commonly in they lead working and allied for connecting abutting members or parts, arts, means joining two pieoes of metal to-; suchas the members or parts of storage batgetheriby flowing molten metal, preferably, teries and their accessories, which usually of these-me composition asthat of the pieces .575 consist of leadorlead alloy. r p to be joined, over the abutting faces and melt-; The principal object of the present invening the edges of the metallic surfaces to form tion is to obviate the use of a detachable dam an integral joint. I structure for providing a pocket for molten It will be obvious to those skilled in the art 1 metal and to avoid the care and labor necesto which the invention relates that modifica- C0 sary for applying, removing and supporting I tions may bemade infdetails of construction. such a dam structure. and arrangement without departing from the To these 'and'other ends hereinafter set spirit ofthe invention which is not limited as forth the invention comprises a burned or tothose matters or as to matters of'mereform pucldled joint structure for connecting abut or otherwise than asthe prior art and the ape5 ting elements which includes interfitting pended claims'may require. I walls provided on the abutting elements and I claim: f providing between them an open pocket for. 1. A burned or puddled joint structure for molten metal. j Y connecting abutting elements which com- The invention also comprises the improveprises overlapping and 'interengaging verti-' m ments to be presently described and finally cal sideand horizontal walls provided on the claimed. g abutting elements and affording between In the following description reference will them a'pocket open at'the top and closed at 1 be made to theaccompanyingdrawing formthe bottom, and metal .burned or puddled ing part hereof and in which there is illusinto the pocket.

trated an embodiment of the invention chosen 2. A burned or puddled joint structure for from among other embodiments of the inven-' connecting. abutting elements which comtion for the sake of'illustration and in which prises int rfittingwalls f whi h tw e 1119-,

v Figure 1 is a top or plan view. Y right tongues and upright grooves and. of I Fig. 2 is a central sectional elevational view which two are horizontal laps, andsaid walls g of Figure 1, also showing themetal in'the providing between them a pocket open at the joint, and top and closed at the bottom, and metal Figs. 3 and f are perspective views showburned or puddled into the pocket. ing the parts in separate re1ation.- i BRUCE FORD. In the drawing 1 and 2 indicate elements 1 which are to be connected in abutting relation by puddling or burning. Obviously the form of the elementsl and 2 is subject to great diversity. There are interfitting walls p 1 provided onthe abutting elements and they V v j afford or provide between them an open I pocket 3 for retaining molten metal by which the joint isfburned or puddled. Themolten metal is shown in Fig. 2 at 3*. Of the interp engaging walls 4 and 5 are tongues and I j I i j 95.

grooves, and 6 and 7 are laps. I

To make the burned or puddled joint the walls are placed in interfitting relation, thus providing a pocket 3 which serves to retain j j molten metal. 7 j s I v 

